Google announced improved beta testing for Android apps on Google Play with new features like open beta and closed beta using email addresses.

Google first launched beta testing two years ago, and has been gathering feedback from developers ever since. The Google Play Developer Console lets developers release early versions of their app to select users an an alpha or beta test with the select user group downloading the app on Google Play as normal. They can’t review or rate it on the store, however.

A couple months ago, Pinterest announced the launch of its new Developers Platform, a suite of APIs for building apps and integrations with the service. This was the first time the company opened up API access for development of consumer apps. It began with a beta program for developers in the U.S. who signed up.

Google announced the real-time integration of third party log analytics service Logentries with Google Cloud Platform for “near real-time” log streaming and analysis. Cloud Platform customers, as a result, gain a new choice for log management and analytics including anomaly detection.

Apple previewed the new watchOS 2 update to its Apple Watch software today at WWDC. It gives developers the ability to build faster and more powerful apps natively on Apple Watch, and lets them take advantage of hardware features like the Digital Crown, Taptic Engine, heart rate sensor, accelerometer and microphone.

While in beta, Google has a new toolkit for mobile app developers called App Invites, which enables them to provide users with…you guessed it. They’re making it available to both Android and iOS app developers. Launch partners include UrbanSitter, Yummly, The CW, Coinbase and Picsart.

Bing is trying to make it easier for mobile application developers to get their apps found in search results. It’s expanding its “Actions Intelligence” to Bing and other Bing-powered search products, such as Cortana, and creating a “massive” index of apps and app actions.

Back in 2011, Google launched Page Speed Service, an online service that automatically speeds up loading of your web pages. This was introduced after Google announced site speed as a ranking factor in its search results the year prior.

At last year’s F8 developer conference, Facebook announced some changes that would give users more control over what info they choose to share with apps. The company introduced the new Facebook Login, which lets users edit the permissions they give an app upon log in. They also announced a Login Review process and other changes to the API, which the company said were designed to protect people’s information.